Longtime Hermosa Beach locksmith Frank Hallstein Sr. passed away on Thanksgiving Day, November 24, at the age of 90. Hallstein was born in Tarrytown, New York and graduated from Kings Point Merchant Marine Academy with a master's degree in science and engineering.

He then served as an officer Lt (JG) in the U.S. Navy. After the Navy, Halletstein worked as an engineer at Dayton, Brown, Bell Aircraft, Bendix Systems, TRW, Hughes and Litton Industries. He was the national president of the Institute of Environmental Sciences in 1973.